<?php 
namespace app\controller;

//空控制器
class Error 
{
    var $back = "<script>setTimeout(function(){history.back();},3000)</script>";
    public function __call($method, $args)
    {
        return '<div style="margin:30%;color:red;text-align:center;margin-top:45%;border:1px solid #f60;"><h1>此功能尚未开放!</h1></div>'.$this->back;
    }
}